Welcome to our practice test for Medical Laboratory Certification Exams like ASCP and AMT for MLT, CLS and MLS. Test includes General Laboratory, Hematology, Clinical Chemistry, Urinalysis & Body Fluids, Blood Banking & Immunohematology, Serology & Immunology and Microbiology. You have 60 minutes to answer 100 test questions. Good luck!
#1. What is the normal range for ESR?
#2. HLA antibodies are
#3. A unit of packed cells is split into 2 aliquots under closed sterile conditions at 8am. The expiration time for each aliquot is
#4. Which of the following is associated with Tinea versicolor?
#5. Causative agent of meningococcal meningitis that is seen mostly in children under 3 years old
#6. ABO and Rh hemolytic disease of the newborn each have unique distinguishing characteristics. Which of the following red cell shapes is unique to ABO HDN
#7. Which of the following is the most common chemical constituent found in renal or bladder stones?
#8. The following are examples of Antinuclear antibodies except
#9. What product is formed when ferrous iron of hemoglobin is oxidized to the ferric state?
#10. Instrumentation principle in Hematology used to analyze and identify various WBC population based on how light scatters when a high intensity light of a single wavelength is used
#11. Determination of this serotonin metabolite is used to determine levels of serotonin in the body
#12. Rheumatic fever sometimes occurs after group A streptococcal infections. In this condition, an autoimmune response attacks the tissue of the heart valves. This phenomenon is an example of
#13. Both nucleated red blood cells and large platelets interfere with what parameter?
#14. The following are clotting factors acting as contact proteins except
#15. +/- 2 Standard Deviation(SD) means how much confidence limit?
#16. What is the name of the process by which phagocytic cells are attracted to a substance such as a bacterial peptide?
#17. What is the relationship of calcium and phosphorus levels in serum?
#18. T lymphocytes that possess the CD8 surface market mediate which of the following T-Cell functions?
#19. While performing an antibody screen, a test reaction is suspected to be rouleaux. A saline replacement test is performed and the reaction stayed the same. What is the interpretation?
#20. Which of the following is considered a random error?
#21. Pinpoint, “mercury droplet” colonies on Bordet-Gengou agar is a characteristic of which organism
#22. Immunoassay technique that uses an enzyme bound to an antigen or antibody to quantitate its concentration in a patient’s sample
#23. Reed-Sternberg cells are closely associated with?
#24. Antibodies or immunoglobulins belong to which band of proteins when separated by electrophoresis
#25. Process of enhancing phagocytic binding by coating foreign organism and attaching to complement receptors on neutrophils and monocytes
#26. Colorless hexagonal-shaped crystals that can be viewed upon microscopic analysis of the urine
#27. What is the shelf life of Fresh Frozen Plasma after thawing at 37C?
#28. Laboratory methodology based on the principle that energy emission that occurs when certain compounds absorb electromagnetic radiation, become excited and return to energy levels slightly lower than their original energy levels
#29. How many standard deviations encompasses 95% confidence?
#30. High levels of ascorbic acid or vitamin C may cause a false negative result on the following urine analytes except
#31. A 7 year old male child is a candidate for ear tube surgery because of repeated ear infections but he has a persistent prolonged Prothrombin Time. The APTT is normal. Which condition is most likely?
#32. Which of the following tests is useful in the diagnose of Paroxysmal Nocturnal Hemoglobinuria (PNH)?
#33. All donors blood testing must include
#34. The air temperature throughout the serology laboratory is 20°C. How will this affect VDRL and RPR results?
#35. An unexplained fall in hemoglobin and mild jaundice in a patient transfused with RBCs a week previously would most likely indicate
#36. Bone marrow tissue contains all of the following cells except
#37. Which of the following is associated with rheumatic fever?
#38. What is the enzyme methemoglobin-cytochrome C reductase in a red blood cell for?
#39. High levels of ascorbic acid (Vitamin C) have what effect on the reagent strip testing for urine blood
#40. Hemolysis causes an artifactual increase of the following analytes except
#41. Which of the following is true about the reagent strip test for specific gravity
#42. If a phase contrast microscope is not used for the microscopic analysis of the urine sediment, which of the following techniques is recommended for routine examination?
#43. Last nucleated stage of red blood cell production
#44. A major advantage of passive immunization compared to active immunization is that
#45. What can you do to help prevent a fire in the laboratory?
#46. A group B patient needs blood but ABO identical blood is unavailable. Which alternative group(s) may be used?
#47. All of the following hepatitis viruses are spread through blood or blood products except:
#48. Virulence factors include all of the following except
#49. Which adverse transfusion reaction is caused by antibodies in the donor to neutrophils or HLA antigens of the recipient, and may be accompanied with transient neutropenia or leukopenia
#50. Erythrocyte index that describes the average RBC size, measured in femtoliters
#51. The purpose of adding antiglobulin reagent in a direct antiglobulin test is
#52. Which of the following substances, sometimes used as a tumor marker, is increased two- or threefold in a normal pregnancy?
#53. Urobilinogen is produced in which of the following organs
#54. Thin, red-violet staining, threadlike strands in the shape of a loop or figure-8
#55. Which of the following is an effect of prolonged sitting of urine specimen at room temperature
#56. Innate immunity includes
#57. A person who donates blood with the intent that he will receive his own blood during a future surgery is called what kind of donor
#58. A watery liquid that continually circulates through the brain’s ventricles (hollow cavities) and around the surface of the brain and spinal cord.
#59. Which of the following parasites can be seen in the urine?
#60. A test for heavy alcohol consumption that is thought to be more sensitive and specific than GGT
#61. A phenomenon of co-hemolysis which consists of a zone of strong hemolysis observed when S. agalactiae is streaked next to Staphylococcus aureus
#62. The following are lipoproteins except
#63. What must be done to prevent graft-versus-host disease?
#64. Which specimen is the sample of choice to evaluate latent or tertiary syphilis?
#65. The following are pre-analytical variables except
#66. What test involves Hemoglobin H?
#67. pH at which substances will have net zero charge
#68. Which of the following blood components must be prepared within 8 hours after phlebotomy
#69. The assembly of the complement “membrane attack unit” is initiated with the binding of
#70. Hemoglobin H disease is associated with the deletion of how many alpha genes?
#71. Technique used to separate lipoproteins by their rates of flotation
#72. Which of the following statements does not describe the Classical Complement Activation Pathway?
#73. Streptococcus agalactiae belongs to which group of Streptococcus
#74. What is the causative agent of the bubonic plague?
#75. A patient received about 15 ml of compatible blood and developed severe shock, but no fever. If the patient needs another transfusion, which RBC component should be given?
#76. The time from when pathogen first enters the body and begins to multiply, until symptoms first appear
#77. Which of the following is not a characteristic of Erysipelothrix sp.?
#78. Which laboratory finding is not consistent with Pernicious anemia?
#79. For diagnosis of late latent or tertiary syphilis, the most appropriate assay is
#80. Which of the following statements is true of C-reactive protein?
#81. Test used to detect ABO antibodies present on the patient’s serum with known reagent A & B cells
#82. What is the blood type of Bombays when routine ABO blood typing is performed?
#83. Calibration for speed of centrifuge done every
#84. The most serious hemolytic transfusion reactions are due to incompatibility in which of the following blood group systems?
#85. An inanimate object that harbors and transmits a pathogen is a
#86. Which of the following is not a gram negative cocci?
#87. What is the effect of organophosphate poisoning on cholinesterase activity?
#88. Giant multinucleated cells due to the fusion of infected cells is seen in respiratory infections caused by this virus
#89. All of the following statements are true about Rh antibodies except
#90. Bichromatic analysis is used in automation to
#91. Lysosomal enzyme that can be found in the azurophil granules of neutrophils and monocytes
#92. Enzymatic method of measuring uric acid in which allantoin and hydrogen peroxide are produced and coupled to give a colored product
#93. A patient with B-Cell deficiency will most likely exhibit
#94. Delayed type hypersensitivity reactions like dermatitis, tuberculosis and leprosy are considered which type
#95. The most rapid immediate hypersensitivity reaction is associated with
#96. Which of the following antibiotics inhibits protein synthesis?
#97. The serum hemolytic complement level (CH50)
#98. Enzyme used to differentiate liver from bone disease in patients with elevated alkaline phosphatase levels
#99. A blood specimen from a pregnant woman is found to be B negative and the serum contains anti D with a titer of 512. What would be the most appropriate blood type to have available for a possible exchange transfusion for her infant?
#100. An important part of the nonspecific immune response is(are)
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Wow this is tough. Thank you for making this.